2015990977

素因数分解:

$7^2\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{9281}}^1$

素因数の和:9350

約数の個数: 48

約数和(自身を含む): 2844301824

約数和(自身を除く): 828310847

約数列:

[1, 7, 11, 13, 31, 49, 77, 91, 143, 217, 341, 403, 539, 637, 1001, 1519, 2387, 2821, 4433, 7007, 9281, 16709, 19747, 31031, 64967, 102091, 120653, 217217, 287711, 454769, 714637, 844571, 1327183, 2013977, 3164821, 3740243, 5002459, 5911997, 9290281, 14097839, 22153747, 26181701, 41142673, 65031967, 155076229, 183271907, 287998711, 2015990977]

約数ペア:

[(1, 2015990977), (7, 287998711), (11, 183271907), (13, 155076229), (31, 65031967), (49, 41142673), (77, 26181701), (91, 22153747), (143, 14097839), (217, 9290281), (341, 5911997), (403, 5002459), (539, 3740243), (637, 3164821), (1001, 2013977), (1519, 1327183), (2387, 844571), (2821, 714637), (4433, 454769), (7007, 287711), (9281, 217217), (16709, 120653), (19747, 102091), (31031, 64967)]